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Finding the Fourth Proportional to 230,733.94, 318,412.90 and 127,368.19

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Solution

The fourth proportional to 230,733.94, 318,412.90 and 127,368.19 is: 175,768.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,733.94 : 318,412.90 = 127,368.19 : x
  2. Step 2: Convert to fraction form
    230,733.94/318,412.90 = 127,368.19/x
  3. Step 3: Cross multiply
    230,733.94x = 318,412.90 × 127,368.19
  4. Step 4: Simplify right side
    230,733.94x = 40,555,674,745.65
  5. Step 5: Solve for x
    x = 40,555,674,745.65/230,733.94
  6. Step 6: Final answer
    x = 175,768.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.